Plate 70. 

 Figs. 1— J. Tiihiicrlhiria pnrvijKintm, now spwies (p. 54:^>). 



I. Three segments, natural size. f,.„„t.,i nnvP« 

 •> Normal aspect of tlie zooecia, X 20, with the closely arranger! small fiontal poies. 



3. Another segment. X 20. An ovicclle.l zooeeiuni is ,irosont at tlie l.ase. 



4. A branch, X 20, sholi^'ing pores of articulation. 



Middle Jacksonian: Baldock, Barnwell County, South Carolina. 

 Cat. No. 04182, U.S.N.M. 

 Figs. 5-10. riihiurlhirin fdlld.r. new species (p. 5-13). 



5. A group of segments, natural size. 



6. An example, X 20, exhibiting the pores for articulation. 

 7 \ segment, X 20, preserving several closed zooecia. 



Middle Jacksonian: IS miles west of Wrightsville. Georgia. 

 Cat. No. 64183, U.S.N.M. 

 8. Normal aspect of the zooecia, X 20. 

 9 A fragment, X 20, with three ovicelled zooecia. 

 ' Middle .Tacksonian: Baldock. Barnwell County, South Carolina. 

 Cat. No. 641S4, U.S.N.M. 

 10 An old segment, with closed zooecia, X 20. _ 



Middle Jacksonian: Three and one-quarter miles soutl, of Perry. Georgia. 

 Cat. No. 64185, U.S.N.M. 

 Fios. 11-17. TuhucrUaria nndifcni. upw spci-ies (p. 54i;>. 



II. Three fragments, natural size. 



12. A segment, X 20. with the characteristic nodes. 



13 View of lower end of the same specimen, X 20. .,,,*„ .„,^a 



14. Another nodose segment. X 20. The lower node is distinctly seen to be formed 



about the ascopore. 



15 T'pper end view of this specimen, X 20. 



16 Longitudinal section, X 20, illustrating structure of zooecia, ascopore and tubules 

 i?: '^'example, X 20, with an ovicelled zooecium in the middle. The peristomes are 



broad. 

 Upper Jacksonian (Ocala limestone) : Alachua, Florida. 

 Cat. No. 64186, T^S.N.M. 

 Figs IS-^T riihiirclUi in'wilifcni Canu and Basslor, 1017 (p. 547). 



15. Four fragments of the free bilamellar zoarium, natural size. 



19. The usual aspect of the zooecia. X 20. ,,,<.,., t,.„ninrv.5t 



20. A branch, X 20, with most of the zooecial apertures closed by the tiemocyst. 



21 Zooecia, X 20. Two avicularia are developed. . , ■ „, 



S: Surface of a branch, X 20. with ovicelled zooecia. A well preserved av.cnlarumi 

 is seen at the bottom of the figure. 



f, virr^iSr-^r? Showing ascopore opening far from the aperture. The 

 vLle orifice is the poristomice. The small transverse bar is the inferior I.p of 

 the apertura. 



''5 Sketch of longitudinal section, X 20. . ,, ^ ,. 



" ■ Middle Jacksonian (Castle Hayne limestone): Wilmington, North Carolina. 

 Cat. No. 02605, U.S.N.M. _^ 



